Spagnollo, Evandro, et al. “Productivity, Incidence of Stalk Rot and Quality of Cultivated Corn Kernels under Different Spatial Arrangements and Plant Densities”. Revista De Ciências Agroveterinárias, vol. 15, no. 2, Aug. 2016, pp. 109-17, doi:10.5965/223811711522016109.